Whereas here:
http://www.snh.org.uk/pdfs/publications/geology/glen%20roy.pdf
is an excellent illustrated explanation of the parallel roads of Glen Roy,
which were not directly formed by glacial action, but as the result of ice
lakes formed at differing altitudes, showing the progress of glaciation.
I didn't notice the moire, Bob!
Piers
-----Original Message-----
From: Brian Gray [mailto:bsg017@xxxxxxxxxxxxxx]
Sent: 27 October 2013 17:59
To: Olympus List
Subject: [OM] [OT] Geology of Mull
[1]http://www.snh.org.uk/pdfs/publications/geology/mull%20geology.pdf
Bob and Chris have been discussing the geology underlying one of Bob
Whitmire's recent pictures. If they look at page 6 of the above .pdf
about the geology of Mull and Iona, I believe they will see the same
piece of geology along with a geologist's explanation. As I understand
it, the steps are a consequence of successive weathered lava flows. My
wife, who is an amateur geologist found the reference when she felt
that the features were not 'striations'.
Brian Gray
References
1. http://www.snh.org.uk/pdfs/publications/geology/mull%20geology.pdf
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